JPH0789501A - Manufacture of photographic film package, and enclosing method for photographic film - Google Patents

Abstract

PURPOSE:To obtain an automatic enclosing method for large-sized packages by a method wherein first and second carrier sheets placed over pallets on a conveyer are put in lightproof envelopes with photographic films attached to the carrier sheets and enclosed lighttightly in the envelopes with lightproof clipping applied by lightproof clips, and the packages are collected, being taken out of the pallets. CONSTITUTION:A plurality of pallets 22 are placed on a conveyer 21, and the pallets 22 are carried in circulation, being placed on the conveyer 21. A sheet-supplying stage 23 wherein first and second carrier sheets 6 and 7, with lightproof clips 8 attached, are set to the pallets 22,a sheet-connecting stage 24 wherein photographic film sheets 5 are bonded, an enclosing stage 25 wherein photographic film units 2 are inserted into lightproof envelopes 4, and a collecting stage 26 wherein photographic film packages 2 are taken out of the conveyer 21 are arranged around the conveyer 21. Works in the sheet-supplying stage 23 and the collecting stage 26 are executed in a dark room 30 while works on the sheet-connecting stage 24 and the enclosing stage 25 are executed in another dark room 31. The two dark rooms are partitioned with a wall, with a pair of lightproof tunnels provided thereto.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photographic film package manufacturing method and a photographic film unit enclosing method in which a sheet-shaped photographic film is housed in a light-shielding envelope so that it can be freely taken in and out.

[0002]

2. Description of the Related Art For a large-sized camera having a screen size of 4 inches × 5 inches, for example, a photographic film package including a light-shielding envelope having an opening formed at one end and a photographic film sheet which is taken in and out through the opening is used. To be done. The photographic film unit comprises a photographic film sheet having a sheet-shaped support coated with a photosensitive emulsion, and first and second carrier sheets connected to both ends of the photographic film sheet. A light-shielding clip is fixed to the first carrier sheet. ing. The light-shielding clip holds the opening of the light-shielding envelope from the outside when the photo-film unit is inserted into the light-shielding envelope, and keeps the light-shielding envelope light-tight so that the photo-film sheet is not exposed to external light. It is a thing.

In order to manufacture such a photographic film package, a sheet connecting step of connecting the first and second carrier sheets to a photosensitive photographic film sheet, and the photographic film unit thus obtained are used as a light-shielding envelope. It is necessary to carry out the step of inserting the photo film unit to be inserted in a dark room. Therefore, the parts of the photographic film sheet, the first and second carrier sheets, and the light-shielding envelope are carried into the dark room,
Each of these parts is supplied to the above-described sheet connecting step and photographic film unit enclosing step to perform each work.

In the step of enclosing the photographic film unit, first, the second carrier sheet is inserted into the opening of the light-shielding envelope, and by this lead, the photographic film sheet and the first carrier sheet are sequentially inserted into the light-shielding envelope. By the way, since the second carrier sheet is thin and easily bent, it is difficult to insert the tip of the second carrier sheet into the light-shielding envelope through the opening. Therefore, the photographic film unit enclosing process is performed manually.

[0005]

However, the above-described conventional method for manufacturing a photographic film package has a problem that it is not suitable for mass production because the step of enclosing the photographic film unit is manually performed.

The present invention has been made in view of the above circumstances, and a method of manufacturing a photographic film package which enables a photographic film package to be manufactured by an automated continuous process, and a photographic film unit being shielded from light by the automated process. An object of the present invention is to provide a method for enclosing a photographic film unit that can be enclosed in an envelope.

[0007]

In order to achieve the above object, in the invention according to claim 1, in the first step, the first and second steps are performed.
Place the carrier sheet on a pallet conveyed by a conveyor, attach the photo film to the first and second carrier sheets in the second step, and store the photo film unit in the light-shielding envelope in the third step. Then, the light-blocking clip is locked to the light-blocking envelope, the photo film is light-tightly sealed in the light-blocking envelope, and the photo film package taken out from the pallet in the fourth step is collected. In the invention of claim 2, the first and fourth steps are arranged in a bright room, and the second and third steps are arranged in a dark room, and a pair of light-shielding tunnels formed in a partition between the bright room and the dark room are provided. The pallet is repeatedly conveyed to each process via the above.

According to the third aspect of the present invention, the photographic film unit conveyed by the conveyor in the first step is adsorbed and removed from the pallet, and the photographic film unit is inserted into the light-shielding envelope having the opening in the second step. Then, in the third step, the light-shielding clip is locked to the open end of the light-shielding envelope, the photo film unit is light-tightly sealed in the light-shielding envelope, and in the fourth step, the light-shielding clip is locked. Is set on the pallet.

[0009]

EXAMPLE FIG. 5 shows a photographic film package manufactured on a photographic film package manufacturing line embodying the present invention. The photographic film package 2 is composed of a photographic film unit 3 and a light-shielding envelope 4 that accommodates the photographic film unit 3 in a light-tight manner. The photographic film unit 3 includes a photographic film sheet 5 in which a sheet-shaped support is coated with a photosensitive emulsion, and a first carrier sheet 6, a second carrier sheet 7, and one end of the first carrier sheet 6 which are adhered to the ends thereof. It consists of a light-shielding clip 8 that is crimped onto.

The light-shielding clip 8 is provided with the opening 1 of the light-shielding envelope 4 when the photographic film unit 3 is inserted in the light-shielding envelope 4.
The inside of the light-shielding envelope 4 is kept light-tight by sandwiching 0 from the outside.
The second carrier sheet 7 has a trapezoidal front end so that the photographic film unit 3 can be easily inserted into the light-shielding envelope 4. The second carrier sheet 7 has an elliptical opening 11 and three circular openings 12.

The opening 11 directly contacts the front and back of the light-shielding envelope 4 and prevents the photographic film unit 3 from being displaced when the photographic film package 2 is pulled out from the film holder of the camera. The opening 12 facilitates folding of the second carrier sheet 7, and facilitates folding of the light-shielding envelope 4 performed when the photographic film package 2 is pulled out from the camera, for example. By bending the light-shielding envelope 4, the photo film unit 3 in the light-shielding envelope 4 is folded.
Will be blocked from moving. A reinforcing cardboard 13 is attached to the opposite end of the opening 10 of the light-shielding envelope 4 so that the photo film package 2 can be easily held by a finger when it is inserted into the camera.

In FIG. 1, which shows the outline of an apparatus 20 for manufacturing a photographic film package of the present invention, a conveyor 21 having a large number of roller pairs arranged in the conveying direction has a plurality of pallets 22.
Are placed, and each pallet 22 is circulated on the conveyor 21 and conveyed. Around the conveyor 21, a sheet feeding step 23 for setting the first carrier sheet 6 and the second carrier sheet 7 with the light-shielding clips 8 attached to the pallet 22, the photographic film sheet 5 on the first and second carrier sheets 6 and 7. There are arranged a sheet connecting step 24 for joining the sheets, a photographic film unit enclosing step 25 for inserting the photographic film unit 3 into the light-shielding envelope 4, and a collecting step 26 for collecting the photographic film package 2 from the conveyor 21.

The operations of the sheet supplying step 23 and the collecting step 26 are performed in the bright room 30, and the operations of the sheet connecting step 24 and the photographic film unit enclosing step 25 are performed in the dark room 31. Bright room 3
The 0 and the darkroom 31 are separated by a wall 32. This wall 32
Is provided with a pair of light shielding tunnels 33, 34,
Through these light shielding tunnels 33, 34, the pallet 22
Is from the light room 30 to the dark room 31, and from the dark room 31 to the light room 30
Be transported to.

FIG. 2 shows a photographic film stocker used in the sheet connecting process. The stocker 36 accommodates the photographic film sheet 5 on a mounting table 39 provided on a side plate 38 so as to be able to move up and down. The photographic film sheet 5 is laminated with the emulsion side facing down.
The periphery of the photographic film sheet 5 is regulated by the side plate 38 and the seven rods 40 standing upright in a U-shape so that the photographic film sheet 5 does not collapse. The mounting table 39 is moved up and down by a motor (not shown) to move the uppermost photographic film sheet 5 to a predetermined take-out position.

At the take-out position, a pair of air blowing portions 41 for blowing air to both sides of the photographic film sheet 5,
42 are provided. A pair of upper and lower tubes 41a and 41b are provided in the air blowing unit 41, and the air blowing unit 4
A pair of upper and lower tubes 42a and 42b are attached to the tube 2, respectively. To each of these tubes, intermittent air is supplied at a cycle as shown in FIG. As a result, air is blown out alternately from the tubes 41a and 41b in the air blowing section 41 and alternately from the tubes 42a and 42b in the air blowing section 42, and the topmost one photographic film sheet 5 is ejected. It can be lifted from another laminated photographic film sheet 5. Therefore, the photographic film sheets 5 supplied from the stocker 36 are not placed on the pallet 22 in an overlapping state. If the air sent to each tube is intermittent at about 200 times / minute to about 500 times / minute, efficient judgment can be performed.

FIG. 4 shows an inserting machine 50 used in the step of inserting the photographic film unit. This inserter 50
Is a drive shaft 51 which is rotated clockwise and counterclockwise in a range of 90 degrees by a motor (not shown), four arms 52 to 55 provided on the drive shaft 51, and the drive shaft 51. It is composed of three mounting tables 56 to 58 that are radially provided.

The arm 52 is provided with holding plates 59a, 59b, 59c which can be raised and lowered along the direction of the drive shaft 51. A holding plate 60 is arranged adjacent to the tip of the arm 52, and the holding plate 60 is slidable along the longitudinal direction of the arm 52 and freely along the drive shaft 51. Raised and lowered. Holding plates 59a, 59
Two air tubes 61 are provided in each of b and the holding plate 5
9c includes a pair of magnets 61a that attract the metal light-shielding clip 8, and the holding plate 60 includes a pair of air tubes 61 that attract the lower surface of the light-shielding envelope 4 to position the light-shielding envelope 4. There is. Above the pair of air tubes 61, as shown in FIG. 6, a pair of vertically movable air tubes 61 is arranged. A suction nozzle 62 for adsorbing the photographic film unit 3 and the light-shielding envelope 4 is attached to the tip of each air tube 61.

At the tips of the other arms 53 to 55,
As shown in FIG. 4, holding plates 63a to 63c are provided, and these holding plates 63a to 63c are moved up and down along the direction of the drive shaft 51 by a drive mechanism (not shown).
Each of the holding plates 63a to 63c has a triangular shape, and three air tubes 61 having the suction nozzle 62 at the tip thereof are attached to each corner.

The mounting table 56 is provided with a stopper 65 that comes into contact with the light-shielding clip 8 and prevents the photographic film unit 3 from moving leftward on the mounting table 56.
The holding plate 60 is provided with a pair of movable pressing plates 66 that press the opening-side end of the light-shielding envelope 4 from both sides. When the pair of pressing plates 66 are moved in the arrow direction in the figure,
The opening 10 is widened as shown in FIG. A stopper 67 that abuts the light-blocking clip 8 on the mounting table 57 to prevent the photographic film unit 3 from moving on the mounting table 57 toward the drive shaft 51, and a slidable pressing plate 68 that presses the light-shielding envelope 4. And are provided. As shown in FIG. 7, the pressing plate 68 contacts the tip of the light-shielding envelope 4 and slides it toward the stopper 67 to fit the opening-side end of the light-shielding envelope 4 into the light-shielding clip 8.

As shown in FIG. 4, the mounting table 58 is provided with four positioning pieces 69 for positioning the photographic film package 2 on the mounting table 58. Each positioning piece 69
Tapered surfaces 69a are formed on the inner wall surface of the photographic film package 2, and these tapered surfaces 69a correct the position of the side surface of the photographic film package 2 when it slides down. Note that reference numeral 7
Reference numeral 0 is a stocker for the light-shielding envelope 4.

Hereinafter, a method for manufacturing a photographic film package and a method for enclosing a photographic film unit will be described with reference to FIGS.
This will be described with reference to 1. When the pallet 22 conveyed by the conveyor 21 is sent to the sheet supply step 23 shown in FIG. 1, the first carrier sheet 6 with the light-shielding clip 8 and
The second carrier sheet 7 is set on the pallet 22 via the pins and the support pieces. Then, the pallet 22 is conveyed to the conveyor 21, enters the light shielding tunnel 33, and is sent from the bright room 30 to the dark room 31.

The pallet 22 passing through the light shielding tunnel 33
When the sheet is conveyed to the sheet connecting step 24, the sheet is stopped at a predetermined position by a stopper (not shown). The photographic film sheet 5 taken out from the film stocker 36 is supplied to the stopped pallet 22. When the photographic film sheet 5 is joined to the first and second carrier sheets, the photographic film unit 3 is produced on the pallet 22. After manufacturing, the stopper is retracted and the conveyor 21
When the conveyance of the pallet 22 by the
2 is sent to the photographic film unit enclosing process 25.

When the pallet 22 faces the lower side of the arm 52 as shown in FIG. 8, a stopper (not shown) is projected onto the conveyor 21 and the conveyance of the pallet 22 is stopped. After this stop, the holding plate 5 is moved by a moving mechanism (not shown).
When 9a, 59b and 59c are lowered, the suction nozzle 62
The photographic film unit 3 is held by the holding plates 59a, 59b, 59c after being attracted and attracted by the magnet 61a. Then, when the holding plates 59a, 59b, 59c are raised, the drive shaft 51 is rotated clockwise by 90 degrees, and the arm 52 is moved onto the mounting table 56 as shown in FIG.

In this state, the holding plates 59a, 59b, 59
c is lowered, and only the suction of the holding plate 59b is released. As a result, the photographic film unit 3 is set on the mounting table 56 with the light-shielding clip 8 in contact with the stopper 65. At this time, in the photographic film unit 3, the light-shielding clip 8 is fixed to the mounting table 56, and the photographic film sheet 5 and the second carrier sheet 7 are sucked by the holding plate 59a and are suspended. On the other hand, the holding plate 60 attracts the light-shielding envelope 4,
The lower surface of the light-shielding envelope 4 is sucked by a pair of suction nozzles 62 as shown in FIG. 6, and both sides of the light-shielding envelope 4 are pressed by a pair of pressing plates 66. Thereby, the opening 10 of the light-shielding envelope 4 is widened as illustrated.

When the opening 10 is widened, the holding plate 60 is slid to the drive shaft 51 side by a moving mechanism (not shown). By this slide, the light-shielding envelope 4 stores the photographic film unit 3 so as to be swallowed. The holding plate 59
The suction release of a is performed when the second carrier sheet 7 is stored in the light-shielding envelope 4 through the opening 10. After that, the light-shielding envelope 4 is slid to the drive shaft 51 side, but since the photographic film unit 3 is locked to the mounting table 56 by the stopper 65, it is housed in the light-shielding envelope 4. At this time, since the photographic film unit 3 is led by the second carrier sheet 7, the photographic film unit 3 is smoothly stored without being bent.

As shown in FIG. 10, when the photographic film unit 3 is housed up to a position where the photographic film sheet 5 is almost hidden by the light-shielding envelope 4, the holding plate 60 is slid away from the drive shaft 51. At this time, the light-shielding envelope 4 accommodating the photographic film unit 3 is left at that position. After that, the drive shaft 51 rotates counterclockwise by 90 degrees,
The arm 53 is moved onto the mounting table 56 as shown in FIG. Then, the holding plate 63a descends and adsorbs the light-shielding envelope 4 accommodating the photographic film unit 3. After the suction, the holding plate 63a is lifted, and then the drive shaft 51 is moved clockwise by 9
Rotate by 0 degrees and move the arm 53 to the mounting table 57 as shown in FIG.
Move up.

After that, when the holding plate 63a is lowered and the suction is released, the light-shielding envelope 4 accommodating the photographic film unit 3 is set on the mounting table 57 with the light-shielding clip 8 in contact with the stopper 67. To be done. After setting, press plate 6
8 slides in the direction of the arrow to press the tip of the light-shielding envelope 4 as shown in FIG. From this pressure, the light-shielding envelope 4
The end of the opening 10 on the side of the opening 10 is fitted into the light-shielding clip 8 to complete the photographic film package 2. After that, the photographic film sheet 5 is housed in the light-shielding envelope 4 in a light-tight manner.

While the light-shielding envelope 4 is fitted in the light-shielding clip 8, the holding plate 63a is raised and then the drive shaft 51 is rotated counterclockwise by 90 degrees. As a result, the arm 54
Are moved onto the mounting table 57 as shown in FIG. Then, when the holding plate 63b is lowered and suction is performed by the suction nozzle 62, the light-shielding envelope 4 fitted with the light-shielding clip 8 is attracted to the holding plate 63b. After adsorption, holding plate 63b
When is raised, the drive shaft 51 is rotated clockwise by 90 degrees, and the arm 54 holding the photographic film package 2 is moved onto the mounting table 58 as shown in FIG.

When the photographic film package 2 attracted by the holding plate 63b is lowered to the upper part of the positioning piece 69,
The suction release is performed, and the photographic film package 2 falls inside the four positioning pieces 69. At the time of this drop, the corners of the photographic film package 2 are regulated in the falling direction by the tapered surfaces 69a of the positioning pieces 69, so that the photographic film package 2 is set at a predetermined position on the mounting table 58.

The photographic film package 2 has a tapered surface 69.
While sliding a, the holding plate 63b is raised and the drive shaft 51 is rotated 90 degrees counterclockwise. This allows
The arm 55 is moved onto the mounting table 58 as shown in FIG. After this, the holding plate 63c is lowered and the suction nozzle 62
When the suction is performed, the photographic film package 2 is attracted to the holding plate 63c. After the suction, the holding plate 63c is raised and the drive shaft 51 is rotated 90 degrees clockwise,
The arm 55 is moved onto the pallet 22 as shown in FIG.

When the holding plate 63c is lowered and the suction is released, the photographic film package 2 is set at a predetermined position on the pallet 22. When this setting is completed, the stopper is retracted and the pallet 22 is conveyed leftward in the figure by the conveyor 21. By this transfer, pallet 2
2 enters the light shielding tunnel 34 shown in FIG. 1 and is sent from the dark room 31 to the bright room 30. When the pallet 22 that has passed through the light-shielding tunnel 34 is transported to the collecting step 26, the photographic film package 2 set on the pallet 22 is adsorbed by an arm (not shown), removed from the pallet 22 and stacked. Collected.

In the method of manufacturing the photographic film package described above, the sheet supplying step 23 and the collecting step 26 are performed in the light chamber 30.
Since the sheet connecting step 24 and the photographic film unit enclosing step 26 can be performed in the dark room 31 and all the steps can be made continuous continuously, the production efficiency can be improved. In addition, the sheet supply process 23 is performed in the bright room 30.
Since this is a bright room, when trouble occurs here, the recovery work can be efficiently processed.

[0033]

As described above, in the first aspect of the invention, the first and second carrier sheets are placed on the pallet conveyed by the conveyor in the first step, and the first and second carrier sheets are placed in the first step in the second step. ，
Attach the photo film to the second carrier sheet,
In the process of, store the photo film unit in the light-shielding envelope,
Since the light-blocking clip is locked to the light-blocking envelope, the photo film is light-tightly sealed in the light-blocking envelope, and the photo film package taken out from the pallet in the fourth step is collected. Since all steps are processed continuously and continuously, the production efficiency can be improved.

According to the second aspect of the present invention, the first and fourth steps are arranged in a bright room and the second and third steps are arranged in a dark room, respectively, and a pair of partitions formed between the bright room and the dark room are formed. Since the pallets are repeatedly conveyed to each process via the light-shielding tunnel, it reduces the work in the dark room, which takes time to recover the trouble processing, and the work performed in the dark room and the light room is consistently performed. Since it can be performed, the production efficiency can be further improved.

According to the third aspect of the invention, the photographic film unit conveyed by the conveyor in the first step is adsorbed and removed from the pallet, and the photographic film unit is opened in the second step. , And in the third step, the light-shielding clip is locked to the open end of the light-shielding envelope, and the photographic film unit is hermetically sealed in the light-shielding envelope.
Since the light-shielding envelope with the light-shielding clip locked was set in the pallet on the pallet, without manual work,
The photographic film unit can be enclosed in a light-shielding envelope, and its production efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a diagram showing an outline of an apparatus for manufacturing a photographic film package.

FIG. 2 is a perspective view of a stocker for a photographic film sheet.

FIG. 3 is a diagram showing a cycle in which air is supplied to each tube of an air blowing unit.

FIG. 4 is a schematic view of a photographic film unit enclosing device.

FIG. 5 is a perspective view showing a state in which a part of the photographic film unit is pulled out from the photographic film package.

FIG. 6 is a diagram showing how the opening of the light-shielding envelope is widened.

FIG. 7 is a view showing how a light-shielding envelope is fitted into a light-shielding clip.

FIG. 8 is an explanatory diagram for removing the photographic film unit from the pallet.

FIG. 9 is an illustration showing how the photographic film unit faces the light-shielding envelope.

FIG. 10 is an explanatory view of housing the photographic film unit in a light-shielding envelope.

[Explanation of symbols]

 2 Photo film package 3 Photo film unit 4 Light-shielding envelope 5 Photo film sheet 6 1st carrier sheet 7 2nd carrier sheet 8 Light-blocking clip 10 Opening 21 Conveyor 22 Pallet 23 Sheet feeding process 24 Sheet connecting process 25 Photo film unit enclosing process 26 Collection of cargo Process 30 Light room 31 Dark room 33, 34 Light-shielding tunnel

Claims (3)

[Claims] 1. A photographic film unit comprising a photographic film unit having first and second carrier sheets provided at both ends of the photographic film, and a light-shielding envelope accommodating the photographic film unit in a retractable manner. A method for manufacturing a photographic film package in which a photographic film is light-tightly sealed in a light-shielding envelope via a clip, wherein the first and second carrier sheets are placed on a pallet conveyed by a conveyor. First step, and the second step of attaching the photo film to the first and second carrier sheets, and storing the photo film unit in the light-shielding envelope, and locking the light-shielding clip in the light-shielding envelope. Third step of sealing the film in a light-tight envelope in a light-tight manner, and fourth step of taking out the photographic film package from the pallet and collecting it. Method of manufacturing a photographic film package which is characterized in that it consists of. 2. The first and fourth steps are performed in a bright room, and the second and second steps are performed.
A third step is provided in each dark room, and the pallet is repeatedly transported from the light room to the dark room and from the dark room to the light room through a pair of light-shielding tunnels formed in the partition between the light room and the dark room. 2. The method of manufacturing a photographic film package according to claim 1, wherein the light chamber and the dark chamber are successively performed. 3. An opening formed at one end of the light-shielding envelope,
Insert the photo film unit with the first and second carrier sheets at both ends of the photo film, and lock the light-blocking clip fixed to the second carrier sheet to the open end of the light-blocking envelope to block the photo film unit. In the method of encapsulating a photo film unit in an envelope in a light-tight manner, the first step of adsorbing the photo film unit placed on a pallet conveyed by a conveyor and removing the photo film unit from the pallet, and this photo film A second step of inserting the unit into a light-shielding envelope having an opening, a third step of locking the light-blocking clip to the light-blocking envelope, and a fourth step of setting the light-blocking envelope with the light-blocking clip locked to the pallet. A method for encapsulating a photographic film unit, which comprises the steps of: